12-26-2015, 08:21 AM
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Too old to care
Industry Role:
Join Date: Jun 2001
Location: On the sofa, watching TV or doing my jigsaws.
Posts: 52,943
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In 1520, it took how many man hours to plough an acre.
How many does it take to today?
Population size isn't a problem, even people to do jobs that have to be done by a human will be in over supply.
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